Naoki Matsubara
28Patents
7h-index
32Co-inventors
69Inventor score
Filing activity: Jul 18, 1983 → May 13, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5476056A | Method of forming air layer over immersed surfaces of structure having immersed portions, and structure of coat layer formed over immersed surfaces | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4526040A | Oscillation compensating apparatus for vortex flow meter | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5736647A | Vortex flow meter detector and vortex flow meter | Physics | 19 | Expired |
| US4627295A | Vortex flow meter | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4625564A | Vortex flow meter | Emerging Cross-Sectional Technologies | 15 | Expired |
| US8750802B2 | Information processing apparatus, information processing system, and program | Electricity | 12 | Active |
| US9158449B2 | Information processing apparatus, information processing system, and program | Physics | 11 | Active |
| US8543165B2 | Information processing apparatus, information processing system, and program | Electricity | 6 | Active |
| US9008577B2 | Information processing apparatus, information processing system, and program | Electricity | 6 | Active |
| US7895904B2 | Multi-vortex flowmeter employing volume flow rate as switching point | Physics | 6 | Active |
| US8611965B2 | Electronic pen, information processing system, and program | Physics | 5 | Active |
| US9400628B2 | Information processing apparatus, information processing system, and program | Electricity | 5 | Active |
| US5363705A | Vortex generator having a protrusion formed at an upstream surface | Physics | 4 | Expired |
| US5426669A | Quadrature demodulator | Electricity | 4 | Expired |
| US8648761B2 | Behind-the-ear wireless device | Electricity | 3 | Active |
| US9836265B2 | Information processing apparatus, information processing system, and program | Electricity | 3 | Active |
| US7614297B2 | Multi-vortex flowmeter | Physics | 3 | Expired |
| US8199669B2 | Access router, service control system, and service control method | Electricity | 2 | Active |
| US7861602B2 | Explosion-proof high temperature compatible, multi-vortex flow meter | Physics | 2 | Active |
| US5550867A | Complex angle converter | Electricity | 2 | Expired |
| US5703913A | Timing signal generator | Electricity | 2 | Expired |
| US10255015B2 | Information processing apparatus and information processing system | Electricity | 2 | Active |
| US10684812B2 | Information processing apparatus and information processing system | Electricity | 1 | Active |
| US7907584B2 | Access router device, mobility control system, and mobility control method | Electricity | 1 | Active |
| US9774771B2 | Preparation, transparent plate, method for producing preparation, slide glass, imaging apparatus, imaging method, preparation producing apparatus, and preparation component set | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.